The richer you are, the less likely you are to use Facebook (though we bet Zuckerberg here still uses). Seventy-six percent of adult Internet users who make less than $50,000 per year use Facebook, compared to 69 percent of those making $75,000 or more.

The richer you are, the less likely you are to use Facebook (though we bet Zuckerberg here still uses). Seventy-six percent of adult Internet users who make less than $50,000 per year use Facebook, compared to ... more

Photo: C Flanigan, Getty Images

The richer you are, the less likely you are to use Facebook (though...photo-8049790.110490 - |ucfirst